/Engine/Plugins/NetcodeUnitTest/NetcodeUnitTest/Source/NetcodeUnitTest/Public/NUTEnum.h
Types of things these flags control:
enum EUnitTestFlags { None = 0x00000000, LaunchServer = 0x00000001, LaunchClient = 0x00000002, AcceptPlayerController = 0x00000004, BeaconConnect = 0x00000008, AutoReconnect = 0x00000010, RequirePlayerController = 0x00000100, RequirePawn = 0x00000200, RequirePlayerState = 0x00000400, RequirePing = 0x00000800, RequireNUTActor = 0x00001000, RequireBeacon = 0x00002000, RequireCustom = 0x00004000, RequirementsMask = RequirePlayerController | RequirePawn | RequirePlayerState | RequirePing | RequireNUTActor | RequireBeacon | RequireCustom, ExpectServerCrash = 0x00100000, ExpectDisconnect = 0x00200000, IgnoreServerCrash = 0x00400000, IgnoreClientCrash = 0x00800000, IgnoreDisconnect = 0x01000000, NotifyProcessEvent = 0x02000000, CaptureReceivedRaw = 0x04000000, DumpControlMessages = 0x08000000, }